Method of making a porous roll assembly

Details Method of making a porous roll assembly Method of making a porous roll assembly

1990-08-21

1991-08-13

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Roller making

29125, 2989521, B21B 1302

Patent

active

050384694

ABSTRACT:
The present invention provides a porous roll assembly which comprises a core shaft and a porous roll body fitted on the shaft. The roll body include a stack of axially compressed porous disks. According to the method of the invention, the stack of porous disk is compressed divisionally and successively, so that all of the disks are evenly compressed even if the roll body is relatively long. The resulting roll body is substantially uniform in Shore hardness and porosity over the entire length of the roll body.

REFERENCES:
patent: 2637892 (1953-05-01), Rockoff
patent: 2813051 (1957-11-01), MacHenry
patent: 3364546 (1968-01-01), Martin
patent: 3599306 (1971-08-01), Brafford
patent: 3613145 (1971-10-01), Kneusels
patent: 3710469 (1973-01-01), Kitazawa
patent: 3814054 (1974-06-01), Tajihi
patent: 3932687 (1976-01-01), Okamoto
patent: 4283821 (1981-08-01), Paakkunainen
patent: 4475215 (1984-10-01), Edwards
patent: 4535611 (1985-08-01), Masuda
patent: 4604778 (1986-08-01), Edwards

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